spark-2.0.0-preview.tgz: 6C764265 A310B31C 4AF71DD2 BF6FD7C5 B522BF6A DBFD74B0 99BABB16 3DB977DC 75F1A678 1230DEEB B2EC7807 104FCEFD 382A0737 944D2AE2 E738ABB4 8A3C50FE